diff -r b72c6db6890b -r 5dc02b23752f tools/assistant/lib/qhelpcontentwidget.cpp
--- a/tools/assistant/lib/qhelpcontentwidget.cpp	Wed Jun 23 19:07:03 2010 +0300
+++ b/tools/assistant/lib/qhelpcontentwidget.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -370,7 +370,8 @@
         delete d->rootItem;
         d->rootItem = 0;
     }
-    reset();
+    if (!onShutDown)
+        reset();
 }
 
 /*!